Mark S Litwin. (2002). The survey kit (v.8: How to assess and interpret survey psychometrics ) (2nd.). Sage.
Chicago Edition CitationMark S Litwin. The Survey Kit (v.8: How to Assess and Interpret Survey Psychometrics ). 2nd. California: Sage, 2002.
Cita MLAMark S Litwin. The Survey Kit (v.8: How to Assess and Interpret Survey Psychometrics ). 2nd. Sage, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.